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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#274624#6136. AirdropC1942huangjiaxuCompile Error//C++141.3kb2023-12-03 19:04:122023-12-03 19:04:13

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  • [2023-12-03 19:04:13]
  • 评测
  • [2023-12-03 19:04:12]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int N=1e5+5;
int T,n,y0,a[N],ca,mx,mn,pr[N],su[N];
vector<int>e[N];
struct po{
	int x,y;
}p[N];
set<int>S;
void solve(){
	scanf("%d%d",&n,&y0);
	for(int i=1;i<=n;++i){
		scanf("%d%d",&p[i].x,&p[i].y);
		p[i].y=abs(p[i].y-y0);
		a[i]=p[i].x;
	}
	sort(a+1,a+n+1);
	ca=unique(a+1,a+n+1)-a-1;
	for(int i=1;i<=ca;++i)e[i].clear();
	for(int i=1;i<=n;++i){
		p[i].x=lower_bound(a+1,a+ca+1,p[i].x)-a;
		e[p[i].x].push_back(p[i].y);
	}
	for(int i=1;i<=ca;++i)sort(e[i].begin(),e[i].end());
	mx=0,mn=n,su[ca+1]=0;
	S.clear();
	for(int i=1,ad=0;i<=ca;++i){
		vector<int>g;
		for(auto v:e[i]){
			if(S.count(v-ad))g.push_back(v-ad);
			S.insert(v-ad);
		}
		for(auto v:g)S.erase(v);
		pr[i]=S.size();
		ad+=a[i+1]-a[i];
	}
	S.clear();
	for(int i=ca,ad=0;i;--i){
		vector<int>g;
		for(auto v:e[i]){
			if(S.count(v-ad))g.push_back(v-ad);
			S.insert(v-ad);
		}
		for(auto v:g)S.erase(v);
		su[i]=S.size();
		ad+=a[i]-a[i-1];
	}
	for(int i=1;i<=ca;++i){
		mx=max(mx,pr[i-1]+su[i+1]+(int)e[i].size()),mn=min(mn,pr[i-1]+su[i+1]+(int)e[i].size());
		mx=max(mx,pr[i-1]+su[i]),mn=min(mn,pr[i-1]+su[i]);
	}
	mx=max(mx,pr[n]),mn=min(mn,pr[n]);
	printf("%d %d\n",mn,mx);
}
int main(){
	scanf("%d",&T);
	while(T--)solve();
	return 0;
}

Details

answer.code:4:9: error: ‘int y0’ redeclared as different kind of entity
    4 | int T,n,y0,a[N],ca,mx,mn,pr[N],su[N];
      |         ^~
In file included from /usr/include/features.h:461,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/os_defines.h:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/c++config.h:586,
                 from /usr/include/c++/11/cassert:43,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:33,
                 from answer.code:1:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:220:1: note: previous declaration ‘double y0(double)’
  220 | __MATHCALL (y0,, (_Mdouble_));
      | ^~~~~~~~~~
answer.code: In function ‘void solve()’:
answer.code:11:19: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘double (*)(double) throw ()’ {aka ‘double (*)(double)’} [-Wformat=]
   11 |         scanf("%d%d",&n,&y0);
      |                  ~^     ~~~
      |                   |     |
      |                   int*  double (*)(double) throw () {aka double (*)(double)}
answer.code:14:34: error: invalid operands of types ‘int’ and ‘double(double) throw ()’ {aka ‘double(double)’} to binary ‘operator-’
   14 |                 p[i].y=abs(p[i].y-y0);
      |                            ~~~~~~^~~
      |                                 | |
      |                                 | double(double) throw () {aka double(double)}
      |                                 int
answer.code:11:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   11 |         scanf("%d%d",&n,&y0);
      |         ~~~~~^~~~~~~~~~~~~~~
answer.code:13:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   13 |                 scanf("%d%d",&p[i].x,&p[i].y);
      |                 ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
answer.code: In function ‘int main()’:
answer.code:56:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   56 |         scanf("%d",&T);
      |         ~~~~~^~~~~~~~~